698232213 has 18 divisors (see below), whose sum is σ = 1173220854. Its totient is φ = 398989584.

The previous prime is 698232209. The next prime is 698232263. The reversal of 698232213 is 312232896.

It can be written as a sum of positive squares in only one way, i.e., 697910724 + 321489 = 26418^2 + 567^2 .

It is not a de Polignac number, because 698232213 - 2² = 698232209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698232203) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 791206 + ... + 792087.

Almost surely, 2^698232213 is an apocalyptic number.

698232213 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

698232213 is a deficient number, since it is larger than the sum of its proper divisors (474988641).

698232213 is a wasteful number, since it uses less digits than its factorization.

698232213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583313 (or 1583303 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 698232213 is about 26424.0839576323. The cubic root of 698232213 is about 887.1559311121.

The spelling of 698232213 in words is "six hundred ninety-eight million, two hundred thirty-two thousand, two hundred thirteen".